Ionization sensor for smoke detector



FIG. 1 is a perspective view from above of the ionization sensor for smoke detector embodying my new design;

FIG. 2 is a perspective view thereof from below;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof; and

FIG. 5 is a side elevation view thereof. 

The ornamental design for an ionization sensor for smoke detector, substantially as shown. 